Cyber Resilience

CVE-2023-5091

Medium

Published: 08 January 2024

Published
08 January 2024
Modified
22 May 2025
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0013 32.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-5091 is a medium-severity Use After Free (CWE-416) vulnerability in Arm Valhall Gpu Kernel Driver. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 32.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

arm
valhall gpu kernel driver
r37p0 — r40p0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References